edid-decode "/sys/class/drm/card0-DP-1/edid": EDID (hex): 00ffffffffffff0030aef4614b464736 1e1e0104a5351e783ee235a75449a225 0c5054bdcf0081809500b300d1c0d100 714f818a0101565e00a0a0a029503020 35000f282100001a000000ff00563330 363647464b0a20202020000000fd0030 4b1e721e010a202020202020000000fc 004c454e20503234682d32300a2001b2 02031cf1490102030413901f12112309 07078301000065030c002000011d0072 51d01e206e2855000f282100001ecc74 00a0a0a01e50302035000f282100001a 00000000000000000000000000000000 00000000000000000000000000000000 00000000000000000000000000000000 0000000000000000000000000000008f Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 04 basic params: a5 35 1e 78 3e chroma info: e2 35 a7 54 49 a2 25 0c 50 54 established: bd cf 00 standard: 81 80 95 00 b3 00 d1 c0 d1 00 71 4f 81 8a 01 01 descriptor 1: 56 5e 00 a0 a0 a0 29 50 30 20 35 00 0f 28 21 00 00 1a descriptor 2: 00 00 00 ff 00 56 33 30 36 36 47 46 4b 0a 20 20 20 20 descriptor 3: 00 00 00 fd 00 30 4b 1e 72 1e 01 0a 20 20 20 20 20 20 descriptor 4: 00 00 00 fc 00 4c 45 4e 20 50 32 34 68 2d 32 30 0a 20 extensions: 01 checksum: b2 EDID version: 1.4 Manufacturer: LEN Model 61f4 Serial Number ... Made in week 30 of 2020 Digital display 8 bits per primary color channel DisplayPort interface Maximum image size: 53 cm x 30 cm Gamma: 2.20 DPMS levels: Off Supported color formats: RGB 4:4:4, YCrCb 4:4:4, YCrCb 4:2:2 Default (sRGB) color space is primary color space First detailed timing includes the native pixel format and preferred refresh rate Display x,y Chromaticity: Red: 0.6552, 0.3300 Green: 0.2851, 0.6347 Blue: 0.1445, 0.0498 White: 0.3134, 0.3291 Established timings supported: 720x400@70Hz 9:5 HorFreq: 31469 Hz Clock: 28.320 MHz 640x480@60Hz 4:3 HorFreq: 31469 Hz Clock: 25.175 MHz 640x480@67Hz 4:3 HorFreq: 35000 Hz Clock: 30.240 MHz 640x480@72Hz 4:3 HorFreq: 37900 Hz Clock: 31.500 MHz 640x480@75Hz 4:3 HorFreq: 37500 Hz Clock: 31.500 MHz 800x600@60Hz 4:3 HorFreq: 37900 Hz Clock: 40.000 MHz 800x600@72Hz 4:3 HorFreq: 48100 Hz Clock: 50.000 MHz 800x600@75Hz 4:3 HorFreq: 46900 Hz Clock: 49.500 MHz 1024x768@60Hz 4:3 HorFreq: 48400 Hz Clock: 65.000 MHz 1024x768@70Hz 4:3 HorFreq: 56500 Hz Clock: 75.000 MHz 1024x768@75Hz 4:3 HorFreq: 60000 Hz Clock: 78.750 MHz 1280x1024@75Hz 5:4 HorFreq: 80000 Hz Clock: 135.000 MHz Standard timings supported: 1280x1024@60Hz 5:4 HorFreq: 64000 Hz Clock: 108.000 MHz 1440x900@60Hz 16:10 HorFreq: 55500 Hz Clock: 88.750 MHz 1680x1050@60Hz 16:10 HorFreq: 64700 Hz Clock: 119.000 MHz 1920x1080@60Hz 16:9 1920x1200@60Hz 16:10 HorFreq: 74000 Hz Clock: 154.000 MHz 1152x864@75Hz 4:3 HorFreq: 67500 Hz Clock: 108.000 MHz 1280x1024@70Hz 5:4 Detailed mode: Clock 241.500 MHz, 527 mm x 296 mm 2560 2608 2640 2720 hborder 0 1440 1443 1448 1481 vborder 0 +hsync -vsync VertFreq: 59 Hz, HorFreq: 88786 Hz Serial number: ... Monitor ranges (bare limits): 48-75Hz V, 30-114kHz H, max dotclock 300MHz Monitor name: LEN P24h-20 Has 1 extension blocks Checksum: 0xb2 (valid) CTA extension block Extension version: 3 24 bytes of CTA data Video data block VIC 1 640x480@60Hz 4:3 HorFreq: 31469 Hz Clock: 25.175 MHz VIC 2 720x480@60Hz 4:3 HorFreq: 31469 Hz Clock: 27.000 MHz VIC 3 720x480@60Hz 16:9 HorFreq: 31469 Hz Clock: 27.000 MHz VIC 4 1280x720@60Hz 16:9 HorFreq: 45000 Hz Clock: 74.250 MHz VIC 19 1280x720@50Hz 16:9 HorFreq: 37500 Hz Clock: 74.250 MHz VIC 16 1920x1080@60Hz 16:9 (native) HorFreq: 67500 Hz Clock: 148.500 MHz VIC 31 1920x1080@50Hz 16:9 HorFreq: 56250 Hz Clock: 148.500 MHz VIC 18 720x576@50Hz 16:9 HorFreq: 31250 Hz Clock: 27.000 MHz VIC 17 720x576@50Hz 4:3 HorFreq: 31250 Hz Clock: 27.000 MHz Audio data block Linear PCM, max channels 2 Supported sample rates (kHz): 48 44.1 32 Supported sample sizes (bits): 24 20 16 Speaker allocation data block Speaker map: FL/FR - Front Left/Right Vendor-specific data block, OUI 000c03 (HDMI) Source physical address 2.0.0.0 Underscans PC formats by default Basic audio support Supports YCbCr 4:4:4 Supports YCbCr 4:2:2 1 native detailed modes Detailed mode: Clock 74.250 MHz, 527 mm x 296 mm 1280 1390 1430 1650 hborder 0 720 725 730 750 vborder 0 +hsync +vsync VertFreq: 60 Hz, HorFreq: 45000 Hz Detailed mode: Clock 299.000 MHz, 527 mm x 296 mm 2560 2608 2640 2720 hborder 0 1440 1443 1448 1470 vborder 0 +hsync -vsync VertFreq: 74 Hz, HorFreq: 109926 Hz Checksum: 0x8f (valid) EDID block does NOT conform to EDID 1.4! sRGB is signaled, but the chromaticities do not match EDID block does not conform at all! Both the serial number ... edid-decode "/sys/class/drm/card0-eDP-1/edid": EDID (hex): 00ffffffffffff0026cf7d0500000000 001c0104951f11780276909455549027 21505400000001010101010101010101 010101010101383680a0703820401830 3c0035ae100000190000000000000000 00000000000000000000000000fe0049 6e666f566973696f6e0a2020000000fe 00523134304e574635205241200a000c Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 04 basic params: 95 1f 11 78 02 chroma info: 76 90 94 55 54 90 27 21 50 54 established: 00 00 00 standard: 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 descriptor 1: 38 36 80 a0 70 38 20 40 18 30 3c 00 35 ae 10 00 00 19 descriptor 2: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 descriptor 3: 00 00 00 fe 00 49 6e 66 6f 56 69 73 69 6f 6e 0a 20 20 descriptor 4: 00 00 00 fe 00 52 31 34 30 4e 57 46 35 20 52 41 20 0a extensions: 00 checksum: 0c EDID version: 1.4 Manufacturer: IVO Model 57d Serial Number ... Made in year 2018 Digital display 6 bits per primary color channel DisplayPort interface Maximum image size: 31 cm x 17 cm Gamma: 2.20 Supported color formats: RGB 4:4:4 First detailed timing includes the native pixel format and preferred refresh rate Display x,y Chromaticity: Red: 0.5791, 0.3349 Green: 0.3291, 0.5644 Blue: 0.1542, 0.1298 White: 0.3125, 0.3281 Established timings supported: Standard timings supported: Detailed mode: Clock 138.800 MHz, 309 mm x 174 mm 1920 1944 1992 2080 hborder 0 1080 1083 1095 1112 vborder 0 -hsync -vsync VertFreq: 60 Hz, HorFreq: 66730 Hz Manufacturer-specified data, tag 0 ASCII string: InfoVision ASCII string: R140NWF5 RA Checksum: 0xc (valid) EDID block does NOT conform to EDID 1.4! Missing name descriptor Missing monitor ranges edid-decode "/sys/class/drm/card0-HDMI-A-1/edid": EDID (hex): 00ffffffffffff0010acd0a055475430 331b0103803c22780eee91a3544c9926 0f505421080001010101010101010101 010101010101565e00a0a0a029503020 350056502100001a000000ff00593434 4d35374349305447550a000000fd0018 3c1e8c1e010a202020202020000000fc 0044656c6c20533237313644470a01bb 02031ac147901f041303120123090701 8301000065030c001000000000000000 00000000000000000000000000000000 00000000000000000000000000000000 00000000000000000000000000000000 00000000000000000000000000000000 00000000000000000000000000000000 000000000000000000000000000000c1 Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 03 basic params: 80 3c 22 78 0e chroma info: ee 91 a3 54 4c 99 26 0f 50 54 established: 21 08 00 standard: 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 descriptor 1: 56 5e 00 a0 a0 a0 29 50 30 20 35 00 56 50 21 00 00 1a descriptor 2: 00 00 00 ff 00 59 34 34 4d 35 37 43 49 30 54 47 55 0a descriptor 3: 00 00 00 fd 00 18 3c 1e 8c 1e 01 0a 20 20 20 20 20 20 descriptor 4: 00 00 00 fc 00 44 65 6c 6c 20 53 32 37 31 36 44 47 0a extensions: 01 checksum: bb EDID version: 1.3 Manufacturer: DEL Model a0d0 Serial Number ... Made in week 51 of 2017 Digital display Maximum image size: 60 cm x 34 cm Gamma: 2.20 RGB color display Default (sRGB) color space is primary color space First detailed timing is preferred timing Display x,y Chromaticity: Red: 0.6396, 0.3300 Green: 0.2998, 0.5996 Blue: 0.1503, 0.0595 White: 0.3125, 0.3291 Established timings supported: 640x480@60Hz 4:3 HorFreq: 31469 Hz Clock: 25.175 MHz 800x600@60Hz 4:3 HorFreq: 37900 Hz Clock: 40.000 MHz 1024x768@60Hz 4:3 HorFreq: 48400 Hz Clock: 65.000 MHz Standard timings supported: Detailed mode: Clock 241.500 MHz, 598 mm x 336 mm 2560 2608 2640 2720 hborder 0 1440 1443 1448 1481 vborder 0 +hsync -vsync VertFreq: 59 Hz, HorFreq: 88786 Hz Serial number: ... Monitor ranges (bare limits): 24-60Hz V, 30-140kHz H, max dotclock 300MHz Monitor name: Dell S2716DG Has 1 extension blocks Checksum: 0xbb (valid) CTA extension block Extension version: 3 22 bytes of CTA data Video data block VIC 16 1920x1080@60Hz 16:9 (native) HorFreq: 67500 Hz Clock: 148.500 MHz VIC 31 1920x1080@50Hz 16:9 HorFreq: 56250 Hz Clock: 148.500 MHz VIC 4 1280x720@60Hz 16:9 HorFreq: 45000 Hz Clock: 74.250 MHz VIC 19 1280x720@50Hz 16:9 HorFreq: 37500 Hz Clock: 74.250 MHz VIC 3 720x480@60Hz 16:9 HorFreq: 31469 Hz Clock: 27.000 MHz VIC 18 720x576@50Hz 16:9 HorFreq: 31250 Hz Clock: 27.000 MHz VIC 1 640x480@60Hz 4:3 HorFreq: 31469 Hz Clock: 25.175 MHz Audio data block Linear PCM, max channels 2 Supported sample rates (kHz): 48 44.1 32 Supported sample sizes (bits): 16 Speaker allocation data block Speaker map: FL/FR - Front Left/Right Vendor-specific data block, OUI 000c03 (HDMI) Source physical address 1.0.0.0 Underscans PC formats by default Basic audio support 1 native detailed modes Checksum: 0xc1 (valid) EDID block does not conform at all! Both the serial number ... Detailed blocks filled with garbage Range descriptor contains garbage